DIN 28031:2013-09 Flange joints for process vessels - Weld flanges for unpressurized process vessels

标准编号:DIN 28031:2013-09

英文标题:Flange joints for process vessels - Weld flanges for unpressurized process vessels

德文标题:Flanschverbindungen für Apparate - Schweißflansche für drucklose Apparate

发布日期:2013-09

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